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66994 (1999 XZ107)
Classification: Main-belt Asteroid          SPK-ID: 2066994
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1230091738609888 5.8282e-08  
a 2.740715686328087 1.4751e-08 au
q 2.403582513965016 1.6139e-07 au
i 2.108099811937794 5.6988e-06 deg
node 174.3910834020834 0.00012431 deg
peri 214.1550181583613 0.00012528 deg
M 247.1486754683631 1.736e-05 deg
tp 2459720.015566463545
(2022-May-20.51556646)
8.217e-05 TDB
period 1657.274335973301
4.54
1.3379e-05
3.663e-08
d
yr
n .2172241446004022 1.7537e-09 deg/d
Q 3.077848858691158 1.6565e-08 au
  Orbit Determination Parameters
   # obs. used (total)      661  
   data-arc span      10396 days (28.46 yr)  
   first obs. used      1992-03-01  
   last obs. used      2020-08-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56034  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:26:35  

Additional Information
 Earth MOID = 1.40745 au 
 Jupiter MOID = 2.35757 au 
 T_jup = 3.338 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.46   n/a E2021B10  

66994 (1999 XZ107)          Discovered 1999-Dec-04 by CSS at Catalina
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XZ107 = 1994 RO18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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